Bassani Chrome Pro Street Turnout Stepped Exhaust Pipes Headers Harley SoftailBRAND NEW Part # 1S34D Fits 2018+ Softail Breakout, Fat Boy Models & FXDR 16 gauge steel construction 13 4" headpipes step to 2", then flow into 21 2" muffler, increasing flow and improving performance Increases low end torque and produces a deep, throaty exhaust note Heat shields, mounting brackets and hardware included Includes O2 sensor plugs for pre 07 applications Made in the U. S. A. NOTE: Baffles for turn out systems are welded in place.